Manufacture of materials resembling crepe



- inemen! Au 27, 1940- UNITED STATES.

PATENT MANUFACTURE OF MATERIALS RESEM- BLING CREPE Emil Hubert, Dessau-Ziebigk, and Herbert mm, Leipzig, Germany, assig'nors to I. G. Farbenindusti'le Aktlengesellschait, Frort-on-tlie- Main, Germany No Drawing. :App llcation September 15, 1936, Serial No. 100,899; In Ge September 19,

was

- s Claims. (size-a) materials having a finish resembling crepe may be made by makings. web or other fabric of normally twisted, or, indeed, untwisted, resin threads and heating the web, wet or dry, to a {)9 temperature above the softening point of the artificial resin used. Preferably, artificial resin threads or ribbons are used which have been produced by the stretch spinning process or have been subjected to strong stretching after the spinning operation. It is not necessary that every warp or woof" thread of the fabric should consist of artificial resin; it suillces if individual threads of resin are repeated at certain distances .apart, the remaining threads of the fabric being of any desired material. In order to obtain special eflfects it is also possible to spin the artificial resin threads with the threads of anothermaterial as a preliminary operation and to weave or otherwise work into a fabric this mixed yarn.

For example, artificial threads of 120 denier, produced from polyvinylchlorlde spun while strongly stretching the freshly precipitated threads are twisted with cellulose acetate threads of 120 denier and this mixed yarn is woven under the usual conditions on anacetate silk loom. The finished fabric, which scarcely differs from normal goods, is immersed in a water-bath and gradually heated therein to about 75-80 C. The 5 material shrinks during this operation by about 30-40 per cent in width and there is obtained a This invention is based on the observation that fabric of pronounced, crepe character, which is very suitable for the manufacture of upholstery, wall coverings and the like. A

What we claim is:

l. A process of producing crepe-like fabrics,

which comprises interweaving threads fromartificial resins having at most a moderate twist with threads from another textile material, and heating the resultant fabric to a temperature above the softening point of said artificial resin threads.

2. A process of producing crepe-like fabrics, which comprises interweaving threads from ar-= tificial resins having at most a moderate twist, which in the course of their production have been subjected to considerable stretching, with threads from another textile material, and heating the resultant fabric to a temperature above the softening point of said artificial resin threads.

3. A processof producing crepe-like fabrics. which comprises interweaving threads from artificial resins produced according to the stretch spinning method, said threads having at a moderate twist with threads from another textile material, and heating the resultant fabric to a temperature above the softening point of said artificial resin threads. Y

4. A process of producing. crepe-like fabrics, which comprises interweaving threads from polyvinyl chloride having at most a moderate twist with threads from another textile material, and

heating the resultant fabric to a temperature of from about 75 to about 80 C.

5. A textile fabric resembling crepe, said fabric consisting of interwoven threads of artificial resin having at ,most a moderate twist and threads of another textile material, said fabric being obtained by a. process as'claimed in claim 1-. v

6. A textile fabric resembling crepe, said fabric consisting of interwoven threads from polyvinyl chloride having at most a moderate twist and 4 threads of another textile material, said fabric being obtained by a process as claimed in claim 4.

mm. HUBERT. HERBERT REIN'. 

